/** * Copyright (c) 2016-2019 人人开源 All rights reserved. */

package com.joinval.common.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * Spring Context 工具类
 *
 * @author Mark sunlightcs@gmail.com
 */
@Component
public class SpringContextUtils implements ApplicationContextAware {
	public static ApplicationContext applicationContext;

	@Override
	public void setApplicationContext(ApplicationContext applicationContext)
			throws BeansException {
		SpringContextUtils.applicationContext = applicationContext;
	}

	public static Object getBean(String name) {
		return applicationContext.getBean(name);
	}

	/**
	 * 通过class获取Bean.
	 *
	 * @param clazz
	 * @param       <T>
	 * @return
	 */
	public static <T> T getBean(Class<T> clazz) {
		return getApplicationContext().getBean(clazz);
	}

	public static <T> T getBean(String name, Class<T> requiredType) {
		return applicationContext.getBean(name, requiredType);
	}

	public static boolean containsBean(String name) {
		return applicationContext.containsBean(name);
	}

	public static boolean isSingleton(String name) {
		return applicationContext.isSingleton(name);
	}

	public static Class<? extends Object> getType(String name) {
		return applicationContext.getType(name);
	}

	/**
	 * 获取配置文件配置项的值
	 *
	 * @param key 配置项key
	 */
	public static String getEnvironmentProperty(String key) {
		return getApplicationContext().getEnvironment().getProperty(key);
	}

	/**
	 * 获取spring.profiles.active
	 */
	public static String getActiveProfile() {
		return getApplicationContext().getEnvironment().getActiveProfiles()[0];
	}

	/**
	 * 获取applicationContext
	 */
	public static ApplicationContext getApplicationContext() {
		return applicationContext;
	}

}
